Home / 19,531-26,954.22-12,080.44

Finding the Fourth Proportional to 19,531, 26,954.22 and 12,080.44

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Solution

The fourth proportional to 19,531, 26,954.22 and 12,080.44 is: 16,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531 : 26,954.22 = 12,080.44 : x
  2. Step 2: Convert to fraction form
    19,531/26,954.22 = 12,080.44/x
  3. Step 3: Cross multiply
    19,531x = 26,954.22 × 12,080.44
  4. Step 4: Simplify right side
    19,531x = 325,618,837.46
  5. Step 5: Solve for x
    x = 325,618,837.46/19,531
  6. Step 6: Final answer
    x = 16,671.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.